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Elasticity Optimism

By Jean Imbs and Isabelle Mejean

American Economic Journal: Macroeconomics, July 2015

On average, estimates of trade elasticities are smaller in aggregate data than at sector level. This is an artifact of aggregation. Estimations performed on aggregate data constrain sector elasticities to homogeneity, which creates a heterogeneity bias. T...

Relative Income, Happiness, and Utility: An Explanation for the Easterlin Paradox and Other Puzzles

By Andrew E. Clark, Paul Frijters, and Michael A. Shields

Journal of Economic Literature, March 2008

The well-known Easterlin paradox points out that average happiness has remained constant over time despite sharp rises in GNP per head. At the same time, a micro literature has typically found positive correlations between individual income and individ...

Quantile Regression

[Symposium: Econometric Tools]

By Roger Koenker and Kevin F. Hallock

Journal of Economic Perspectives, Fall 2001

Quantile regression, as introduced by Koenker and Bassett (1978), may be viewed as an extension of classical least squares estimation of conditional mean models to the estimation of an ensemble of models for several conditional quantile functions. The cen...

Risk, Delay, and Convex Self-Control Costs

By Drew Fudenberg and David K. Levine

American Economic Journal: Microeconomics, August 2011

We develop a dual-self model of self-control that is compatible with modern dynamic macroeconomic theory and evidence. We show that a convex cost of self-control explains a wide range of behavioral anomalies concerning risk, including the Allais paradox,...